<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <link href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
      <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js"></script>
      <script src="https://cdn.staticfile.org/popper.js/1.12.5/umd/popper.min.js"></script>
      <script src="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/js/bootstrap.min.js"></script>
      <link rel="stylesheet" href="./css/style.css">
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
  <div class="container">
      <a class="navbar-brand" href="#">超级英雄</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>

  <div class="collapse navbar-collapse" id="navbarSupportedContent">
    <ul class="navbar-nav mr-auto">
      <li class="nav-item active">
        <a class="nav-link" href="#">英雄赏析 <span class="sr-only">(current)</span></a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">英雄介绍</a>
      </li>
      <li class="nav-item dropdown">
        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
         英雄评论
        </a>
        <div class="dropdown-menu" aria-labelledby="navbarDropdown">
          <a class="dropdown-item" href="#">Action</a>
          <a class="dropdown-item" href="#">Another action</a>
          <div class="dropdown-divider"></div>
          <a class="dropdown-item" href="#">Something else here</a>
        </div>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="#">英雄视频</a>
      </li>
    </ul>
    <form class="form-inline my-2 my-lg-0">
      <input class="form-control mr-sm-2" type="search" placeholder="在此处输入" aria-label="Search">
      <button class="btn btn-outline-success my-2 my-sm-0" type="submit">搜索</button>
    </form>
  </div>
  </div>
</nav>
<div id="demo" class="carousel slide" data-ride="carousel">
 
  <!-- 指示符 -->
  <ul class="carousel-indicators">
    <li data-target="#demo" data-slide-to="0" class="active"></li>
    <li data-target="#demo" data-slide-to="1"></li>
    <li data-target="#demo" data-slide-to="2"></li>
  </ul>
 
  <!-- 轮播图片 -->
  <div class="carousel-inner">
    <div class="carousel-item active">
      <img src="./img/banner.jpg">
    </div>
    <div class="carousel-item">
      <img src="./img/banner2.jpg">
    </div>
    <div class="carousel-item">
      <img src="./img/banner3.jpg">
    </div>
  </div>
 
  <!-- 左右切换按钮 -->
  <a class="carousel-control-prev" href="#demo" data-slide="prev">
    <span class="carousel-control-prev-icon"></span>
  </a>
  <a class="carousel-control-next" href="#demo" data-slide="next">
    <span class="carousel-control-next-icon"></span>
  </a>
 
</div>
<main>
    <div class="container">
        <div class="row">
            <div class="col-md-3">
                <div class="nei">
                    <img src="./img/thumbnail1.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="nei">
                    <img src="./img/thumbnail2.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="nei">
                    <img src="./img/thumbnail3.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="nei">
                    <img src="./img/thumbnail4.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
                </div>
            </div>
            <div class="col-md-3">
               <div class="nei">
                    <img src="./img/thumbnail5.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
               </div>
            </div>
            <div class="col-md-3">
                <div class="nei">
                    <img src="./img/thumbnail6.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="nei">
                    <img src="./img/thumbnail7.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
                </div>
            </div>
            <div class="col-md-3">
                <div class="nei">
                    <img src="./img/thumbnail8.jpg" alt="">
                <h4>野兽</h4>
                <p>拥有超群的智慧，绝顶聪明</p>
                <div>
                    <a href="" class="liao">了解详情</a>
                    <a href="">查看更多</a>
                </div>
                </div>
            </div>
        </div>
    </div>
</main>
<footer>
    <div class="container">
        <div class="row">
            <div class="col-md-6">
            <h2>超级英雄相关电影</h2>
            <p>喜爱超级英雄的朋友们，开来加入我们的队伍吧</p>
        </div>
        <div class="col-md-6">
            <div class="row">
                <div class="col-md-3">
                    <p>蝙蝠侠系列</p>
                    <li>蝙蝠侠</li>
                    <li>蝙蝠侠与罗宾</li>
                    <li>蝙蝠侠归来</li>
                    <li>蝙蝠侠前传</li>
                </div>
                <div class="col-md-3">
                    <p>X战警系列</p>
                    <li>X战警</li>
                    <li>X战警前传</li>
                    <li>X战警金刚狼</li>
                </div>
                <div class="col-md-3">
                    <p>蜘蛛侠系列</p>
                    <li>蜘蛛侠1</li>
                    <li>蜘蛛侠2</li>
                    <li>蜘蛛侠3</li>
                </div>
                <div class="col-md-3">
                    <p>复仇者联盟系列</p>
                    <li>复仇者联盟1</li>
                    <li>复仇者联盟2</li>
                </div>
            </div>
        </div>
        </div>
    </div>
</footer>
</body>
</html>